Ostrow Reisin Berk and Abrams, Ltd. is committed to nurturing a culture of awareness, diversity and inclusion throughout our firm. We believe that we achieve and sustain excellence by cultivating a diverse community, regardless of gender, religion, race, ethnicity, culture, language, color, sexual orientation, national origin, age, physical ability, opinions or beliefs. A diverse workforce enriches creativity and engenders innovative problem-solving which is essential to our continued success.

Creating a climate of awareness of and respect for diversity and inclusion is critical to attaining exceptional and creative solutions that meet our clients’ needs. To deliver the best client service and experience, we are committed to growing and sustaining an increasingly diverse workforce. At ORBA, everyone’s unique importance and contributions to our firm is welcomed and supported. This assures our promise to bring the very best solutions to our clients.

Message from Managing Director Mark Thomson

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Firms News


ORBA’s Marketing Director Appointed Secretary of the Chicago Chapter of the Association for Accounting Marketing
Ostrow Reisin Berk & Abrams, Ltd. (ORBA), one of Chicago’s largest public accounting firms, is proud to announce that Marketing Director Joy A. Long has been appointed as Secretary of the Chicago Chapter of the Association for Accounting Marketing (AAM Chicago). She will serve in this role for a one-year term.


ORBA will gladly provide you with hard copies of the useful guides listed below. Select which guides you would like to receive and submit the form below.

  • Tax Pocket Guide
  • Tax Planning Guide
  • Records Retention Schedule
  • Auto, Travel & Business Log

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Forward Thinking
Forward Thinking